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Condensed Statements of Consolidated Comprehensive Income (Unaudited) - CERC - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Net income (loss) $ 202 $ 218 $ 923 $ 832
Comprehensive income (loss) 204 223 904 842
CERC        
Net income (loss) (7) 8 656 303
Comprehensive income (loss) $ (7) $ 8 $ 656 $ 303